Mother is confirmed to be a Moonie. Moonies in America now worship guns as well as Moon, and train regularly for war at their enormous battle camps in Texas, Tennessee, and Pennsylvania.
***He may not be a Moonie now, but likely influenced by the decades of indoctrination into their gun culture.***
https://www.businessinsider.com/shinzo-abe-shooting-suspect-mother-moonie-unification-church-confirms-2022-7?utm_medium=social
Tomihiro Tanaka, the president of the Japan branch of the Unification Church — formally known as the Family Federation for World Peace and Unification — confirmed at a Monday press conference that the suspect's mother was a follower, Reuters reported.
https://www.timesnews.net/opinion/blogs/pro-trump-group-plans-training-center-in-tennessee/article_553a35f2-37f5-11ec-a596-1744fd68abd1.html
Pro-Trump group plans 'training center' in Tennessee
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A “church” administrator, Gregg Noll, told Sam Luther with WVLT in Knoxville that the reason East Tennessee was selected was our beautiful scenery, the people and the conservative values of Tennessee.
He said, “As a church, we really support the use of firearms, we do firearms training all the time ....”